Electromagnet



April 9,1929. J. GEISSLINGER ELECTHOMAGNET Filed Aug. 29, 1927 INVENTOR.

BY WM ATTORNEYS.

A T-" I 1 GENEVL SWITZER LAN D ASsIGNoR TOTI iE Film scmllnfaz V the kind oftenused iniiela ys Whei'e the Chil beefingCOre is arrangediIitheinteIiOr Of iitfl ehell and the a1'11 1'atu1ei0'1jmst11e cover of th1s "how seme detail parts; l

1s formed by a ehellct madetoftwreught iromfin the dime v l tieh of the eentre 1ine 0ftheshel1 is arranged I the shell.- :The (3011.019 lrfan gedatreuhdythe V j plate which is fiexiblyfleonneeted lwiththe" edge The body of theeleetroihztgnet lace ef theisliel'lQ *whenthe eleetlrelfiag et is exeited, the emhatuye isettiia-eted and 'leanlng serves t0. keep the arlh'gtturefd: tight on the V H she'll: When theeleetromagnet isnotexcited; 1 35 the-ermeture has tefstand off from the shell}; the separationis generally madebyah eppoe J 111g, spring. In theipresent inventlqn thls spring 6 (Fig. 2) 'JEEOII IIQCl by" a :p1ece 0f spiingsteelfbent'ihiaeight angle' one an}; be g '40- ing attached fwith these 'ewyftto theerma; cure, and the other arm with the screw 7'? t0 the lsdlsposedjli n theidil eetien Y pievicie] fen leetrd 4, the saddle is: "-removedi H seen. Wrought 11-011 ydke or core :6, screwed on egainst the annular edge Ofthe shelhthe total" flux flowing from *the cbre lb stogithe" shell a pleyof the armature. t

Shell ;.tl1eeentrepertef the opposing spring 6 L the eentrelihe ef" thek ere b It pepetjri ite, V l thiehgh axhble in the erma ture end eervesto l disesb and 0 don the these groov s being the deepest oh the outside and decreasing teWardsthe centre of thecore; in this Way theexti'elnitiesget thicker than the centre pert efthe'core. F inally'the discs 1 are forced over these grooved ends" 50- that;

l-theyzii'e SClll'lYfitSijQilQId thereon, 1 -;In Fig. 4, 5 illustrates a saddle with whieh end the petch 1 7:; gap

forming a tfleiiible tennection of the armature with the shellfonegziiyln "of shidspring blzidebe} ing attachedto the armature and the other Inaheleetl'enmghet ceheistihg 6f aishell gland at core i n the direction the centre line tel "the shellendef ana -mature forming the she'llcover, the ee l'nhina'tien of it spring blade I i of the shell S0 that it can 'over the Open 5 so 5 arm to the Shfillytlld a spindle iii the direction guide this latter in its motion.{ The ehd off-1 the spindle is tln'eaded zuidcarries a nut. h te gi'egulate thepley df the armature; v iFig. 3 illustreteshzi simple and reliable watyf to fasten the insulating core 5 First the discs are-pushed tewards theeentre bfthehofe and then smallgroves 12 guest-amped 0n the extremities of the able,-

the eleeti'emagnet jsfastened to itSsuPpoftL- ,flh e saddle isinsierted in a notch 77011 the shell dd ild the-ewe edge$efthe notches la e- 'and. I0 flanged over the: saddle. "In Fig. 5 -1'epre Of thecehtl'e l'ine of'seid shell, said spindle hdf pl e'i ided with an edjhstehle stop, the

epihdlebeing edapt'ed to guide the armature {in its motion andthe 's top 'adtpted to limit the ;.penetrating through a hole in the armature "2i electfemegnet according to claim 1 in 2 t-hefermeture;

in'whiehjs aidlshellis pfovidethvith' ft saddle 1 '7 aidapted-to attaehth'e eleetl emagnet to its 511p;

pert,"seid'saddlebei gflnsertedin a notch' of M the: sheHbl whichfitheedges are flanged over the saddle in ord'elfto :secure the saddle lion 

